Chapter 6 (ventilation)

Question 1

The fans and dampers operate by

Answer 1

Thermostat

Question 2

Fans in automatic are controlled how?

Answer 2

Remotely controlled by OCC or thermostat

Question 3

Emergency supply (fans), what operation and light color on display ?

Answer 3

Fans will move air into the station (red light) on display

Question 4

Emergency exhaust (fans) do what? What color light will be on the display?

Answer 4

Move air out of tunnel (red light on display)

Question 5

Train movement pushes air ahead

Answer 5

Piston action

Question 6

Occ can control the fans if switches are left in _______ and _________ lights are on

Answer 6

Automatic and green

Question 7

Electric/ battery powered tools shall be used during an extrication why?

Answer 7

Gas powered tools pollution the air with carbon monoxide

Question 8

The Stations that the under platform fans work in supply only

Answer 8

FD GUM*

Farragut
DuPont
Gallery 
Union station
Metro center

Question 9

To ventilate the platform the fans shall be placed in ___________

Answer 9

Exhaust. To draw fresh air down the escalators and push smoke into the tunnel

Question 10

Ventilate the mezzanine place the fans in ___________ mode

Answer 10

Supply, push smoke up the escalators and out the station